Overview

This report presents an in-depth analysis of the CVE-2024-13957 vulnerability, a Server-Side Request Forgery (SSRF) flaw affecting ASPECT, NEXUS, and MATRIX series products. The vulnerability is significant because it can potentially lead to system compromise or data leakage if administrator credentials are compromised.

Vulnerability Summary

CVE ID: CVE-2024-13957
Severity: High (CVSS: 7.6)
Attack Vector: Network
Privileges Required: Administrator
User Interaction: None
Impact: System compromise and potential data leakage

Affected Products

Product | Affected Versions

ASPECT-Enterprise | through 3.*
NEXUS Series | through 3.*
MATRIX Series | through 3.*

How the Exploit Works

The CVE-2024-13957 vulnerability arises from a lack of proper input validation in the server-side application. If an attacker can compromise administrator credentials, they can manipulate server-side requests to trigger unintended actions. This could potentially allow the attacker to access internal resources, manipulate data, or execute commands on the server.

Conceptual Example Code

The vulnerability might be exploited using a malicious HTTP request similar to the example below:

POST /vulnerable/endpoint HTTP/1.1
Host: target.example.com
Authorization: Basic dXNlcjpwYXNzd29yZA==
Content-Type: application/json
{ "url": "http://internal-resource.example.com" }

In this example, the attacker has used compromised administrator credentials (encoded in the `Authorization` header) to send a POST request, tricking the server into fetching or interacting with an internal resource. The exact nature of the payload and the potential impact would depend on the specific internal resources accessible and the level of control the server-side application has over those resources.

Mitigation and Remediation

Affected users should apply the vendor-provided patch as soon as possible. In the meantime, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used to filter out potentially malicious requests and provide temporary mitigation. Additionally, users are advised to follow best practices for managing administrator credentials to avoid compromise.